user
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
What foreshadowing device is the author using in the given sentence?

### Input:
The raging waves seemed to predict a storm was on its way.

### Response:
assistant
The author is using the literary device of dramatic irony as the reader knows a storm is imminent but the character does not.